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Reverse Search
Reverse Search allows you to search within the full text of dictionary entries for words, word parts, and phrases.
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Example: Searching for "apple orange" identifies all entries that contain the word "apple" and the word "orange."
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4WD |
abbreviation of "four-wheel drive," a car that drives by means of all four wheels rather than the rear wheels only, or the drive system of such, in which both front and rear wheel axles are turned by the drive shaft. |
ABO system |
a classification system for the inherited antigens found on the surface of human red blood cells, which determine compatibility for blood transfusions. |
absolute monarchy |
an authoritarian governing system in which a hereditary ruler holds complete power until death. |
A/C |
abbreviation of "air conditioning," a system that circulates cooled and dehumidified air in a building, car, or other space. |
accounting |
the profession or system of keeping record of the money that is spent or taken in by a business or person. |
accumulator |
an apparatus in a hydraulic or pneumatic system that stores and regulates the supply of fluid that provides pressure in the system. [1/3 definitions] |
acquired immune deficiency syndrome |
a serious viral disease of the body's immune system, transferred through blood, sexual contact, contaminated hypodermic needles, or the like; AIDS. |
adornment |
an ornamental item, or a system or set of these. [1/2 definitions] |
aerobics |
(used with a sing. or pl. verb) a system of physical conditioning involving sustained and vigorous exercise such as running, swimming, cycling, or dancing, that stimulates the heart and lungs and thereby improves the body's ability to utilize oxygen. |
aesthetic |
an aesthetic theory, system, or point of view. [1/3 definitions] |
agroforestry |
a land management system that uses trees or shrubs in cropland to improve sustainability. |
AIDS |
acronym of "acquired immune deficiency syndrome," a serious viral disease of the body's immune system, transferred through blood, sexual contact, contaminated hypodermic needles, or the like. |
aikido |
a system of self-defense, originating in Japan, in which an opponent's strength and weight are used against him or her by using specific throws and holds. |
airbrake |
a brake or brake system operated by the force of compressed air against a piston. |
air conditioning |
a system that cools air throughout a certain space. Air conditioning is used inside buildings and cars. |
air force |
the branch of a country's military system that uses aircraft. |
airline |
a system of transportation that allows people to fly from one place to another, or a business that owns and operates the equipment to do this. |
airship |
a lighter-than-air aircraft, with its own propulsion system and steering control. |
algorism |
the system of numbering and calculating in Arabic numerals and decimals; decimal system. |
alignment |
the act of arranging, adjusting, or forming into a straight line, logical sequence, or coordinated system. [1/4 definitions] |
Alpha Centauri |
a double star in the constellation Centaurus, the closest star to the solar system, having a combined magnitude of -0.3. |
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